TWI260544B - Frequency-voltage mechanism for microprocessor power management and controlling method thereof - Google Patents

Frequency-voltage mechanism for microprocessor power management and controlling method thereof Download PDF

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Publication number
TWI260544B
TWI260544B TW093128955A TW93128955A TWI260544B TW I260544 B TWI260544 B TW I260544B TW 093128955 A TW093128955 A TW 093128955A TW 93128955 A TW93128955 A TW 93128955A TW I260544 B TWI260544 B TW I260544B
Authority
TW
Taiwan
Prior art keywords
signal
frequency
phase
clock
power
Prior art date
Application number
TW093128955A
Other languages
English (en)
Chinese (zh)
Other versions
TW200529075A (en
Inventor
Darius D Gaskins
Original Assignee
Via Tech Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Via Tech Inc filed Critical Via Tech Inc
Publication of TW200529075A publication Critical patent/TW200529075A/zh
Application granted granted Critical
Publication of TWI260544B publication Critical patent/TWI260544B/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/08—Clock generators with changeable or programmable clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)
  • Microcomputers (AREA)
TW093128955A 2003-12-17 2004-09-24 Frequency-voltage mechanism for microprocessor power management and controlling method thereof TWI260544B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53032303P 2003-12-17 2003-12-17
US10/816,004 US7290156B2 (en) 2003-12-17 2004-04-01 Frequency-voltage mechanism for microprocessor power management

Publications (2)

Publication Number Publication Date
TW200529075A TW200529075A (en) 2005-09-01
TWI260544B true TWI260544B (en) 2006-08-21

Family

ID=34527143

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093128955A TWI260544B (en) 2003-12-17 2004-09-24 Frequency-voltage mechanism for microprocessor power management and controlling method thereof

Country Status (3)

Country Link
US (1) US7290156B2 (de)
EP (1) EP1544717A3 (de)
TW (1) TWI260544B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9348387B2 (en) 2010-09-23 2016-05-24 Intel Corporation Providing per core voltage and frequency control
US9625971B2 (en) 2014-01-10 2017-04-18 Taiwan Semiconductor Manufacturing Company, Ltd. System and method of adaptive voltage frequency scaling

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7814350B2 (en) * 2002-10-03 2010-10-12 Via Technologies, Inc. Microprocessor with improved thermal monitoring and protection mechanism
US7698583B2 (en) 2002-10-03 2010-04-13 Via Technologies, Inc. Microprocessor capable of dynamically reducing its power consumption in response to varying operating temperature
US20050044429A1 (en) * 2003-08-22 2005-02-24 Ip-First Llc Resource utilization mechanism for microprocessor power management
US7290156B2 (en) 2003-12-17 2007-10-30 Via Technologies, Inc. Frequency-voltage mechanism for microprocessor power management
US7774627B2 (en) * 2002-10-03 2010-08-10 Via Technologies, Inc. Microprocessor capable of dynamically increasing its performance in response to varying operating temperature
US7770042B2 (en) * 2002-10-03 2010-08-03 Via Technologies, Inc. Microprocessor with improved performance during P-state transitions
US7334418B2 (en) * 2004-02-12 2008-02-26 Via Technologies, Inc. Method and apparatus for microprocessor temperature control
US7282966B2 (en) * 2004-09-28 2007-10-16 Intel Corporation Frequency management apparatus, systems, and methods
US7308590B2 (en) * 2004-10-15 2007-12-11 Intel Corporation Automatic dynamic processor operating voltage control
US7797083B1 (en) 2004-12-15 2010-09-14 Silego Technology, Inc. Communicating a power control feedback signal
US7228446B2 (en) * 2004-12-21 2007-06-05 Packet Digital Method and apparatus for on-demand power management
US7337335B2 (en) * 2004-12-21 2008-02-26 Packet Digital Method and apparatus for on-demand power management
US7539278B2 (en) * 2005-12-02 2009-05-26 Altera Corporation Programmable transceivers that are able to operate over wide frequency ranges
US7685444B2 (en) 2006-04-28 2010-03-23 Nokia Corporation Power saving in circuit functions through multiple power buses
TWI316793B (en) * 2006-06-28 2009-11-01 Realtek Semiconductor Corp Frequency synthesizer with a plurality of frequency locking circuits
TWI332318B (en) * 2006-09-07 2010-10-21 Realtek Semiconductor Corp Multiloop phase locked loop circuit
US7602253B2 (en) 2006-12-11 2009-10-13 Silicon Image, Inc. Adaptive bandwidth phase locked loop with feedforward divider
EP1965286B1 (de) * 2007-03-01 2022-06-15 VIA Technologies, Inc. Mikroprozessor mit verbesserter Wärmeüberwachung und Schutzmechanismus
US7849339B2 (en) 2007-03-23 2010-12-07 Silicon Image, Inc. Power-saving clocking technique
GB2450564B (en) * 2007-06-29 2011-03-02 Imagination Tech Ltd Clock frequency adjustment for semi-conductor devices
US8312299B2 (en) 2008-03-28 2012-11-13 Packet Digital Method and apparatus for dynamic power management control using serial bus management protocols
US8078901B1 (en) 2008-06-16 2011-12-13 Western Digital Technologies, Inc. Method for increasing a processor operating frequency when other subsystem demands are low
US8135976B2 (en) * 2008-12-17 2012-03-13 Lsi Corporation Modulated clock, an IC including the modulated clock and a method of providing a modulated clock signal for power control
TWI486757B (zh) * 2009-10-14 2015-06-01 Holtek Semiconductor Inc 調整功率消耗的裝置及其方法
CN103201702B (zh) * 2010-11-09 2016-04-20 国际商业机器公司 对计算工作负载进行管理的方法和系统
EP2610704A3 (de) * 2011-12-28 2016-10-19 Samsung Electronics Co., Ltd. Integrierte Schaltung, adaptive Leistungsversorgung mit integrierten Schaltungseigenschaften und adaptives Leistungsversorgungsverfahren in Übereinstimmung mit den integrierten Schaltungseigenschaften, elektronische Vorrichtung damit und Verfahren zur Herstellung einer elektronischen Schaltung
US8896975B2 (en) * 2012-01-18 2014-11-25 Microchip Technology Incorporated Voltage regulator over-voltage detection system, method and apparatus
US8884663B2 (en) 2013-02-25 2014-11-11 Advanced Micro Devices, Inc. State machine for low-noise clocking of high frequency clock
US9170642B2 (en) * 2013-03-21 2015-10-27 Applied Micro Circuits Corporation Dynamic power control
WO2015161890A1 (en) * 2014-04-25 2015-10-29 Universitat Politècnica De Catalunya Adaptive clocking configurations and calibration methods thereof
JP2015216267A (ja) * 2014-05-12 2015-12-03 キヤノン株式会社 電源圧制御システム
US10928882B2 (en) * 2014-10-16 2021-02-23 Futurewei Technologies, Inc. Low cost, low power high performance SMP/ASMP multiple-processor system
US10248180B2 (en) * 2014-10-16 2019-04-02 Futurewei Technologies, Inc. Fast SMP/ASMP mode-switching hardware apparatus for a low-cost low-power high performance multiple processor system
US9952650B2 (en) 2014-10-16 2018-04-24 Futurewei Technologies, Inc. Hardware apparatus and method for multiple processors dynamic asymmetric and symmetric mode switching
CN105116985B (zh) * 2015-08-04 2017-12-12 Tcl移动通信科技（宁波）有限公司 一种ddr时钟频率控制方法及系统
US9628089B1 (en) * 2016-06-24 2017-04-18 Qualcomm Incorporated Supply voltage tracking clock generator in adaptive clock distribution systems
GB2580134B (en) * 2018-12-21 2021-04-21 Graphcore Ltd Controlling a processor clock
US11249530B1 (en) 2020-11-25 2022-02-15 Qualcomm Incorporated Adaptive voltage controller
CN113489473B (zh) * 2021-07-23 2023-10-31 星宸科技股份有限公司 频率产生装置与频率产生方法

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69224661T2 (de) 1991-12-17 1998-08-27 Compaq Computer Corp Vorrichtung zur verminderung des energieverbrauchs eines rechnersystems
US5579353A (en) * 1993-10-12 1996-11-26 Texas Instruments Incorporated Dynamic clock mode switch
US5422832A (en) 1993-12-22 1995-06-06 Advanced Micro Devices Variable thermal sensor
US5452277A (en) 1993-12-30 1995-09-19 International Business Machines Corporation Adaptive system for optimizing disk drive power consumption
US5752011A (en) 1994-06-20 1998-05-12 Thomas; C. Douglas Method and system for controlling a processor's clock frequency in accordance with the processor's temperature
US5557557A (en) 1994-10-04 1996-09-17 Texas Instruments Incorporated Processor power profiler
US5805923A (en) 1995-05-26 1998-09-08 Sony Corporation Configurable power management system having a clock stabilization filter that can be enabled or bypassed depending upon whether a crystal or can oscillator is used
US5719800A (en) 1995-06-30 1998-02-17 Intel Corporation Performance throttling to reduce IC power consumption
US5996083A (en) 1995-08-11 1999-11-30 Hewlett-Packard Company Microprocessor having software controllable power consumption
US5815724A (en) 1996-03-29 1998-09-29 Intel Corporation Method and apparatus for controlling power consumption in a microprocessor
US5903746A (en) * 1996-11-04 1999-05-11 Texas Instruments Incorporated Apparatus and method for automatically sequencing clocks in a data processing system when entering or leaving a low power state
US6163583A (en) * 1998-03-25 2000-12-19 Sony Corporation Of Japan Dynamic clocking apparatus and system for reducing power dissipation
US6172611B1 (en) 1998-10-19 2001-01-09 Telcom Semiconductor, Inc. Independent hardware thermal sensing and monitoring
JP2000357951A (ja) * 1999-06-15 2000-12-26 Mitsubishi Electric Corp 遅延回路、クロック生成回路及び位相同期回路
JP2001255958A (ja) * 2000-03-10 2001-09-21 Konica Corp クロック発生装置、基板および画像形成装置ならびにクロック発生方法
JP2002006991A (ja) 2000-06-16 2002-01-11 Toshiba Corp コンピュータシステム及び冷却ファンの回転数制御方法
US7006943B1 (en) 2000-09-12 2006-02-28 Advanced Micro Devices, Inc. Method and apparatus for using an on-board temperature sensor on an integrated circuit
KR100369463B1 (ko) 2000-12-21 2003-01-24 엘지전자 주식회사 휴대용 컴퓨터에서의 호스트 버스 클럭 가변 제어방법
EP1235274A1 (de) 2001-02-15 2002-08-28 Matthias Seesemann Temperatur-Überwachungsvorrichtung für Mikroprozessor-Kühleinrichtungen
US6836849B2 (en) * 2001-04-05 2004-12-28 International Business Machines Corporation Method and apparatus for controlling power and performance in a multiprocessing system according to customer level operational requirements
TW548534B (en) 2001-04-12 2003-08-21 Via Tech Inc Control method for frequency raising and reducing of central processing unit using neural network
US6622253B2 (en) * 2001-08-02 2003-09-16 Scientific-Atlanta, Inc. Controlling processor clock rate based on thread priority
EP1421704B1 (de) * 2001-08-29 2007-11-14 Analog Devices, Inc. Verfahren und apparat zur takt- und leistungssteuerung in drahtlosen systemen
US6515530B1 (en) * 2001-10-11 2003-02-04 International Business Machines Corporation Dynamically scalable low voltage clock generation system
JP2003234947A (ja) 2002-02-08 2003-08-22 Canon Inc 制御装置、電子機器及びカメラ
US7290156B2 (en) 2003-12-17 2007-10-30 Via Technologies, Inc. Frequency-voltage mechanism for microprocessor power management
TW553425U (en) 2002-10-09 2003-09-11 Rung-Yi Chen Computer peripheral device having temperature control and wind speed adjusting function
TW573760U (en) 2003-05-20 2004-01-21 Henwood Technology Co Ltd Externally monitored computer temperature detection and fan control device
US7017061B2 (en) 2003-05-21 2006-03-21 Dell Products L.P. Method and system for dynamically adjusting power consumption of an information handling system
US7019577B2 (en) * 2003-07-29 2006-03-28 Lattice Semiconductor Corporation Clock generator

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9348387B2 (en) 2010-09-23 2016-05-24 Intel Corporation Providing per core voltage and frequency control
TWI562064B (en) * 2010-09-23 2016-12-11 Intel Corp Providing per core voltage and frequency control
TWI562063B (en) * 2010-09-23 2016-12-11 Intel Corp Providing per core voltage and frequency control
US9939884B2 (en) 2010-09-23 2018-04-10 Intel Corporation Providing per core voltage and frequency control
US9983661B2 (en) 2010-09-23 2018-05-29 Intel Corporation Providing per core voltage and frequency control
US9983659B2 (en) 2010-09-23 2018-05-29 Intel Corporation Providing per core voltage and frequency control
US9983660B2 (en) 2010-09-23 2018-05-29 Intel Corporation Providing per core voltage and frequency control
US10613620B2 (en) 2010-09-23 2020-04-07 Intel Corporation Providing per core voltage and frequency control
US9625971B2 (en) 2014-01-10 2017-04-18 Taiwan Semiconductor Manufacturing Company, Ltd. System and method of adaptive voltage frequency scaling

Also Published As

Publication number Publication date
US7290156B2 (en) 2007-10-30
EP1544717A2 (de) 2005-06-22
TW200529075A (en) 2005-09-01
EP1544717A3 (de) 2008-03-19
US20050138444A1 (en) 2005-06-23

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